A Test of the Impact of Mergers on Bank Competition
35 Pages Posted: 12 Dec 2009 Last revised: 25 Jan 2019
There are 4 versions of this paper
A Test of the Impact of Mergers on Bank Competition
Impact of Mergers on the Degree of Competition: Application to the Banking Industry
The Impact of Mergers on the Degree of Competition in the Banking Industry
A Test of the Impact of Mergers on Bank Competition
Date Written: January 24, 2019
Abstract
We propose a new test to evaluate the impact of horizontal mergers on competition in the banking industry. The test is designed to be applied ex-ante to potential mergers while being parsimonious in terms of data, as it only uses information on branches in local markets. The test is a counterfactual exercise based on a two-stage model where banks compete in branching and interest rates and consists in comparing the estimated degree of competition in the status- quo, where branching networks by banks are those actually observed, with a counterfactual scenario, where the branching network of the new entity is the sum of the branches of the banks involved in the horizontal merger. The statistical difference between the two estimated measures of competition quantifies the impact of the merger. We apply our test to French and Italian mergers.
Keywords: Banking industry, Competition and market structure, Merger policy
JEL Classification: G21, L13, L59
Suggested Citation: Suggested Citation
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